GlobeNewswire Inc | Jul 21, 2021 08:56AM EDT

July 21, 2021

NEW YORK, July 21, 2021 (GLOBE NEWSWIRE) -- Minerals Technologies Inc. (NYSE: MTX) today declared a regular quarterly dividend of $0.05 per share on the Companys common stock. The dividend is payable on September 9, 2021 to stockholders of record on August 20, 2021.

About Minerals Technologies Inc.New York-basedMinerals Technologies Inc. (MTI)is a global resource- and technology-based company that develops, produces and markets a broad range of specialty mineral, mineral-based and synthetic mineral products and related systems and services. MTI serves the paper, foundry, steel, construction, environmental, energy, polymer and consumer products industries. The company reported sales of$1.6 billionin 2020. For further information, please visit our website at www.mineralstech.com. (MTI-D)

Investor Contact:Erik Aldag, (212) 878-1831

Media Contact:Michael Landau, (212) 878-1840